89305873 has 2 divisors, whose sum is σ = 89305874. Its totient is φ = 89305872.

The previous prime is 89305861. The next prime is 89305889. The reversal of 89305873 is 37850398.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88209664 + 1096209 = 9392^2 + 1047^2 .

It is a cyclic number.

It is not a de Polignac number, because 89305873 - 2⁹ = 89305361 is a prime.

It is not a weakly prime, because it can be changed into another prime (89305273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44652936 + 44652937.

It is an arithmetic number, because the mean of its divisors is an integer number (44652937).

Almost surely, 2^89305873 is an apocalyptic number.

It is an amenable number.

89305873 is a deficient number, since it is larger than the sum of its proper divisors (1).

89305873 is an equidigital number, since it uses as much as digits as its factorization.

89305873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 89305873 is about 9450.1784639233. The cubic root of 89305873 is about 446.9854022496.

The spelling of 89305873 in words is "eighty-nine million, three hundred five thousand, eight hundred seventy-three".